package com.yan.controller;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.jws.WebParam;

/**
 * @author ：Yan Guang
 * @date ：Created in 2020/11/18 14:20
 * @description：
 */
@Controller
public class MyController {

    @RequestMapping({"","/index"})
    public String toIndex(Model model){
        model.addAttribute("msg","hello");
        return "index";
    }

    @RequestMapping("/user/add")
    public String add(){
        return "user/add";
    }

    @RequestMapping("/user/update")
    public String update(){
        return "user/update";
    }
    @RequestMapping("/toLogin")
    public String toLogin(){
        return "login";
    }

    @RequestMapping("/login")
    public String login(String username, String password,Model model) {
        //获取当前的subject
        Subject subject = SecurityUtils.getSubject();
        //封装用户的登陆数据
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        //执行登陆的方法，如果没有异常就说明ok
        try {
            subject.login(token);
            return "index";
        } catch (UnknownAccountException e) {
            model.addAttribute("msg", "用户名错误");
            return "login";
        } catch (IncorrectCredentialsException e) {
            model.addAttribute("msg", "密码错误");
            return "login";
        }
    }

    @RequestMapping("/noauth")
    @ResponseBody
    public String noauth(){
        return "未经授权无法访问此页面";
    }
}
